Space!

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Across
  1. 4. The number of hours it takes the earth to rotate on its axis.
  2. 5. On a line graph both axis must have an even _______.
  3. 6. This planet is the closest to the sun.
  4. 7. This planet lies between Jupiter and Uranus.
  5. 8. Some planets are made of rock, the others are made of _______.
  6. 11. The gas that makes up most of a star.
  7. 13. The time taken for the Earth to orbit the sun.
  8. 14. The Earth rotates on it's _______.
Down
  1. 1. A scientific statement that you can prove or disprove
  2. 2. The number of days it takes for the moon to orbit the Earth
  3. 3. The process happening inside a star that causes it to release energy.
  4. 9. These provide evidence that the sun is rotating on an axis.
  5. 10. The largest planet in our solar system
  6. 12. Our planet.